Index: wp-includes/admin-bar.php
===================================================================
--- wp-includes/admin-bar.php	(revision 18560)
+++ wp-includes/admin-bar.php	(working copy)
@@ -386,16 +386,19 @@
 function is_admin_bar_showing() {
 	global $show_admin_bar, $pagenow;
 
-	/* For all these types of request we never want an admin bar period */
+	// For all these types of requests, we never want an admin bar.
 	if ( defined('XMLRPC_REQUEST') || defined('APP_REQUEST') || defined('DOING_AJAX') || defined('IFRAME_REQUEST') )
 		return false;
 
+	// Integrated into the admin.
+	if ( is_admin() )
+		return true;
+
 	if ( ! isset( $show_admin_bar ) ) {
 		if ( ! is_user_logged_in() || 'wp-login.php' == $pagenow ) {
 			$show_admin_bar = false;
 		} else {
-			$context = is_admin() ? 'admin' : 'front';
-			$show_admin_bar = _get_admin_bar_pref( $context );
+			$show_admin_bar = _get_admin_bar_pref();
 		}
 	}
 
@@ -405,16 +408,17 @@
 }
 
 /**
- * Retrieve the admin bar display preference of a user based on context.
+ * Retrieve the admin bar display preference of a user.
  *
  * @since 3.1.0
  * @access private
  *
- * @param string $context Context of this preference check, either 'admin' or 'front'.
+ * @param string $context Context of this preference check. Defaults to 'front'. The 'admin'
+ * 	preference is no longer used.
  * @param int $user Optional. ID of the user to check, defaults to 0 for current user.
  * @return bool Whether the admin bar should be showing for this user.
  */
-function _get_admin_bar_pref( $context, $user = 0 ) {
+function _get_admin_bar_pref( $context = 'front', $user = 0 ) {
 	$pref = get_user_option( "show_admin_bar_{$context}", $user );
 	if ( false === $pref )
 		return true;
Index: wp-includes/version.php
===================================================================
--- wp-includes/version.php	(revision 18560)
+++ wp-includes/version.php	(working copy)
@@ -11,7 +11,7 @@
  *
  * @global int $wp_db_version
  */
-$wp_db_version = 18541;
+$wp_db_version = 18566;
 
 /**
  * Holds the TinyMCE version
Index: wp-admin/includes/upgrade.php
===================================================================
--- wp-admin/includes/upgrade.php	(revision 18560)
+++ wp-admin/includes/upgrade.php	(working copy)
@@ -451,6 +451,9 @@
 	if ( $wp_current_db_version < 15260 )
 		upgrade_300();
 
+	if ( $wp_current_db_version < 18566 )
+		upgrade_330();
+
 	maybe_disable_automattic_widgets();
 
 	update_option( 'db_version', $wp_db_version );
@@ -1132,6 +1135,18 @@
 }
 
 /**
+ * Execute changes made in WordPress 3.3.
+ *
+ * @since 3.3.0
+ */
+function upgrade_330() {
+	global $wp_current_db_version, $wpdb;
+
+	// Admin Bar preference for the admin.
+	$wpdb->query( "DELETE FROM $wpdb->usermeta WHERE meta_key = 'show_admin_bar_admin'" );
+}
+
+/**
  * Execute network level changes
  *
  * @since 3.0.0
Index: wp-admin/user-edit.php
===================================================================
--- wp-admin/user-edit.php	(revision 18560)
+++ wp-admin/user-edit.php	(working copy)
@@ -213,14 +213,12 @@
 </tr>
 <?php endif; ?>
 <tr class="show-admin-bar">
-<th scope="row"><?php _e('Show Admin Bar')?></th>
-<td><fieldset><legend class="screen-reader-text"><span><?php _e('Show Admin Bar') ?></span></legend>
+<th scope="row"><?php _e('Admin Bar')?></th>
+<td><fieldset><legend class="screen-reader-text"><span><?php _e('Admin Bar') ?></span></legend>
 <label for="admin_bar_front">
-<input name="admin_bar_front" type="checkbox" id="admin_bar_front" value="1" <?php checked( _get_admin_bar_pref( 'front', $profileuser->ID ) ); ?> />
-<?php /* translators: Show admin bar when viewing site */ _e( 'when viewing site' ); ?></label><br />
-<label for="admin_bar_admin">
-<input name="admin_bar_admin" type="checkbox" id="admin_bar_admin" value="1" <?php checked( _get_admin_bar_pref( 'admin', $profileuser->ID ) ); ?> />
-<?php /* translators: Show admin bar in dashboard */ _e( 'in dashboard' ); ?></label></fieldset>
+<input name="admin_bar_front" type="checkbox" id="admin_bar_front" value="1"<?php checked( _get_admin_bar_pref( 'front', $profileuser->ID ) ); ?> />
+<?php _e( 'Show Admin Bar when viewing site' ); ?></label><br />
+</fieldset>
 </td>
 </tr>
 <?php do_action('personal_options', $profileuser); ?>